How is "car commuters" a demographic segment? Does the word "demography" mean an...

		getnormality 7 days ago \| parent \| context \| favorite \| on: Clay Christensen's Milkshake Marketing (2011) How is "car commuters" a demographic segment? Does the word "demography" mean anything? Is "people who like to buy milkshakes" a demographic segment too?

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